Physical Environment and Sciences—Using Radiocarbon to Detect Change in Ecosystem Carbon Cycling in Resonse to Permafrost Thawing Using Radiocarbon to Detect Change in Ecosystem Carbon Cycling in Resonse to Permafrost Thawing
There are more than 450 billion tons of carbon frozen in permafrost in high latitude ecosystems. This carbon is now subject to release into the atmosphere due to climate warming and permafrost thawing. Radiocarbon measurements of ecosystem carbon losses provide the means to measure whether old carbo...
| Main Authors: | , , , , , , |
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| Format: | Text |
| Language: | English |
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.420.2366 http://www.lter.uaf.edu/pdf/1242_Schuur_Vogel.pdf |
| Summary: | There are more than 450 billion tons of carbon frozen in permafrost in high latitude ecosystems. This carbon is now subject to release into the atmosphere due to climate warming and permafrost thawing. Radiocarbon measurements of ecosystem carbon losses provide the means to measure whether old carbon is released in response to permafrost thawing. Radiocarbon values of ecosystem carbon losses showed a significant contribution from old carbon in areas where the permafrost has been observed to thaw. These measurements made at observation locations through time will be a useful long-term monitoring tool for detecting significant changes in the carbon cycle due to permafrost thawing. 36 |
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